Surface pollution sources的用法和样例：
例句
- So the agricultural non-point source pollution has been considered as the main pollution source of eutrophication.
因此农业面源污染已被视为水体富营养化的主要污染源。 - Emission sources in this plant are irregular and unrestrained effluent surface sources and data are collected by detecting representative points in the said area.
炼厂排放源为不规则的无组织排放的面源，数据在该区域具有代表性的点上测出。
